TEST BANK FOR ECGs Made Easy, 7th Edition by Barbara J Aehlert ISBN: 9780323832939 COMPLETE GUIDE ALL CHAPTERS COVERED 100% VERIFIED A+ GRADE ASSURED!!!!! NEW LATEST UPDATE!!!!!

Test bank for ECGs Made Easy 7t
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,ECGs Made Easy 7th Edition by Barbara Aehlert Test Bank Tab
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le of Contents:
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Chapter1.Anatomy &Physiology
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Chapter2.Basic Electrophysiology
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Chapter3.Sinus Mechanisms
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Chapter4.AtrialRhythms
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Chapter5.JunctionalRhythms
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Chapter6.VentricularRhythms
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Chapter 7.Atrioventricular Blocks
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Chapter8.PacemakerRhythms
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Chapter 9. Introduction to the 12-Lead ECG
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Chapter10.Post-Test
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,Chapter 01: Anatomy and Physiology
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Aehlert: ECGs Made Easy, 7th Edition
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MULTIPLE CHOICE mv




1. The apex of the heart is formed by the
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v .
a. tip of the left ventricle
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b. tip of the right atriummv mv mv mv



c. right atrium and right ventricle mv mv mv mv



d. left atrium and left ventricle
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ANSWER: A m v



The heart’s apex, or lower portion, is formed by the tip of the left ventricle. The apex lies just ab
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ove the diaphragm, between the fifth and sixth ribs, in the midclavicular line.
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OBJ: Identify the surfaces of the heart.
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2. The left atrium receives blood from the
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a. pulmonary veins mv



b. aorta
c. pulmonary arteries mv



d. inferior vena cava mv mv




ANSWER: A m v



The left atrium receives freshly oxygenated blood from the lungs via the right and left pulmona
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ry veins.
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OBJ: Identify and describe the chambers of the heart and the vessels that enter or leave each.
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3. The anterior surface of the heart consists primarily of the
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a. left atrium mv



b. right atrium mv



c. left ventricle mv



d. right ventricle mv




ANSWER: D m v



The front (anterior) surface of the heart lies behind the sternum and costal cartilages. It is for
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m ed by portions of the right atrium and the left and right ventricles. However, because the
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heart is tilted slightly toward the left in the chest, the right ventricle is the area of the heart that
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lies m ost directly behind the sternum.
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OBJ: Identify the surfaces of the heart.
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4. Blood pressure is determined by
mv multiplied by mv mv mv mv .
a. stroke volume; heart rate mv mv mv



b. heart rate; cardiac output mv mv mv



c. cardiac output; peripheral vascular resistance mv mv mv mv



d. stroke volume; peripheral vascular resistance mv mv mv mv




ANSWER: C m v



Blood pressure is equal to cardiac output multiplied by peripheral vascular resistance.
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, OBJ: Identify and explain the components of blood pressure and cardiac output.
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5. The right atrium receives venous blood from the head, neck, and thorax via the
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, from the remainder of the body via the m
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, and from the heart via the . mv mv mv mv mv mv



a. coronary sinus; superior vena cava; inferior vena cava m
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b. superior vena cava; coronary sinus; inferior vena cava
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c. inferior vena cava; superior vena cava; coronary sinus
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d. superior vena cava; inferior vena cava; coronary sinus
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ANSWER: D m v



The right atrium receives blood low in oxygen from the superior vena cava, which carries
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bl ood from the head and upper extremities; the inferior vena cava, which carries blood from
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the lower body; and the coronary sinus, which is the largest vein that drains the heart.
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OBJ: m v Identify and describe the chambers of the heart and the vessels that enter or leave each.
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6. The heart is divided into
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a. two; four mv



b. three; two mv



c. four; two mv



d. four; three mv




ANSWER: C m v



The heart has four chambers: two atria and two ventricles. The right and left sides of the heart ar
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e separated by an internal wall of connective tissue called a septum. The interatrial septum s
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ep arates the right and left atria. The interventricular septum separates the right and left ventr
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icles
. The septa separate the heart into two functional pumps. The right atrium and right ventric
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le make up one pump. The left atrium and left ventricle make up the other.
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OBJ: Identify and describe the chambers of the heart and the vessels that enter or leave each.
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7. Stimulation of alpha1 receptors results in mv mv mv mv mv .
a. increased heart rate 1a mv



b. peripheral vasoconstriction mv



c. constriction of bronchial smooth muscle mv mv mv mv



d. increased force of myocardial contraction 1a mv mv mv




ANSWER: B m v



Alpha1 receptors are found in the eyes, blood vessels, bladder, and male reproductive organs. Stimu
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lation of alpha1 receptor sites results in constriction.
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OBJ: Compare and contrast the effects of sympathetic and parasympathetic stimulation of the heart.
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8. Which side of the heart is a low-pressure system that pumps venous blood to the lungs?
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a. Left
b. Right
ANSWER: B m v



The job of the right side of the heart is to pump unoxygenated blood to and through the lung
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s t o the left side of the heart. This is called the pulmonary circulation. The right side of the hea
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rt is a low-pressure system.
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